<template>
	<div class="app-container menu">
		<el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch">
			<el-form-item label="菜单名称" prop="menuName">
				<el-input v-model="queryParams.menuName" placeholder="请输入菜单名称" clearable size="small" @keyup.enter.native="handleQuery" />
			</el-form-item>
			<el-form-item label="状态" prop="status">
				<el-select v-model="queryParams.status" placeholder="菜单状态" clearable size="small">
					<el-option v-for="dict in statusOptions" :key="dict.dictValue" :label="dict.dictLabel" :value="dict.dictValue" />
				</el-select>
			</el-form-item>
			<el-form-item>
				<el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
				<el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
			</el-form-item>
		</el-form>

		<el-row :gutter="10" class="mb8">
			<el-col :span="1.5">
				<el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['system:menu:add']">新增</el-button>
			</el-col>
			<right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
		</el-row>

		<el-table border v-loading="loading" :data="menuList" row-key="menuId" :tree-props="{children: 'children', hasChildren: 'hasChildren'}">
			<el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="160"></el-table-column>
			<el-table-column prop="icon" label="图标" align="center" width="100">
				<template slot-scope="scope">
					<svg-icon :icon-class="scope.row.icon" />
				</template>
			</el-table-column>
			<el-table-column prop="orderNum" label="排序" width="60"></el-table-column>
			<el-table-column prop="perms" label="权限标识" :show-overflow-tooltip="true"></el-table-column>
			<el-table-column prop="component" label="组件路径" :show-overflow-tooltip="true"></el-table-column>
			<el-table-column prop="status" label="状态" :formatter="statusFormat" width="80"></el-table-column>
			<el-table-column label="创建时间" align="center" prop="createTime">
				<template slot-scope="scope">
					<span>{{ parseTime(scope.row.createTime) }}</span>
				</template>
			</el-table-column>
			<el-table-column label="操作" align="center" class-name="small-padding fixed-width">
				<template slot-scope="scope">
					<el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)" v-hasPermi="['system:menu:edit']">修改</el-button>
					<el-button size="mini" type="text" icon="el-icon-plus" @click="handleAdd(scope.row)" v-hasPermi="['system:menu:add']">新增</el-button>
					<el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)" v-hasPermi="['system:menu:remove']">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!-- 添加或修改菜单对话框 -->
		<el-dialog :title="title" :visible.sync="open" width="660px" append-to-body>
			<el-form ref="form" :model="form" :rules="rules" label-width="100px">
				<el-row>
					<el-col :span="24">
						<el-form-item label="上级菜单">
							<treeselect v-model="form.parentId" :options="menuOptions" :normalizer="normalizer" :show-count="true" placeholder="选择上级菜单" />
						</el-form-item>
					</el-col>
					<el-col :span="24">
						<el-form-item label="菜单类型" prop="menuType">
							<el-radio-group v-model="form.menuType">
								<el-radio label="M">目录</el-radio>
								<el-radio label="C">菜单</el-radio>
								<el-radio label="F">按钮</el-radio>
							</el-radio-group>
						</el-form-item>
					</el-col>
					<el-col :span="24">
						<el-form-item v-if="form.menuType != 'F'" label="菜单图标">
							<el-popover placement="bottom-start" width="460" trigger="click" @show="$refs['iconSelect'].reset()">
								<IconSelect ref="iconSelect" @selected="selected" />
								<el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
									<svg-icon v-if="form.icon" slot="prefix" :icon-class="form.icon" class="el-input__icon" style="height: 32px;width: 16px;" />
									<i v-else slot="prefix" class="el-icon-search el-input__icon" />
								</el-input>
							</el-popover>
						</el-form-item>
					</el-col>
					<el-col :span="12">
						<el-form-item label="菜单名称" prop="menuName">
							<el-input v-model="form.menuName" placeholder="请输入菜单名称" />
						</el-form-item>
					</el-col>
					<el-col :span="12">
						<el-form-item label="显示排序" prop="orderNum">
							<el-input-number v-model="form.orderNum" controls-position="right" :min="0" />
						</el-form-item>
					</el-col>
					<el-col :span="12">
						<el-form-item v-if="form.menuType != 'F'" label="是否外链">
							<el-radio-group v-model="form.isFrame">
								<el-radio label="0">是</el-radio>
								<el-radio label="1">否</el-radio>
							</el-radio-group>
						</el-form-item>
					</el-col>
					<el-col :span="12">
						<el-form-item v-if="form.menuType != 'F'" label="路由地址" prop="path">
							<el-input v-model="form.path" placeholder="请输入路由地址" />
						</el-form-item>
					</el-col>
					<el-col :span="12" v-if="form.menuType == 'C'">
						<el-form-item label="组件路径" prop="component">
							<el-input v-model="form.component" placeholder="请输入组件路径" />
						</el-form-item>
					</el-col>
					<el-col :span="12">
						<el-form-item v-if="form.menuType != 'M'" label="权限标识">
							<el-input v-model="form.perms" placeholder="请权限标识" maxlength="50" />
						</el-form-item>
					</el-col>
					<el-col :span="12">
						<el-form-item v-if="form.menuType != 'F'" label="显示状态">
							<el-radio-group v-model="form.visible">
								<el-radio v-for="dict in visibleOptions" :key="dict.dictValue" :label="dict.dictValue">{{dict.dictLabel}}</el-radio>
							</el-radio-group>
						</el-form-item>
					</el-col>
					<el-col :span="12">
						<el-form-item v-if="form.menuType != 'F'" label="菜单状态">
							<el-radio-group v-model="form.status">
								<el-radio v-for="dict in statusOptions" :key="dict.dictValue" :label="dict.dictValue">{{dict.dictLabel}}</el-radio>
							</el-radio-group>
						</el-form-item>
					</el-col>
					<el-col :span="12">
						<el-form-item v-if="form.menuType == 'C'" label="是否缓存">
							<el-radio-group v-model="form.isCache">
								<el-radio label="0">缓存</el-radio>
								<el-radio label="1">不缓存</el-radio>
							</el-radio-group>
						</el-form-item>
					</el-col>
				</el-row>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button type="primary" @click="submitForm">确 定</el-button>
				<el-button @click="cancel">取 消</el-button>
			</div>
		</el-dialog>
	</div>
</template>

<script>
	import { listMenu, getMenu, delMenu, addMenu, updateMenu } from "@/api/system/menu";
	import Treeselect from "@riophae/vue-treeselect";
	import "@riophae/vue-treeselect/dist/vue-treeselect.css";
	import IconSelect from "@/components/IconSelect";

	export default {
		name: "Menu",
		components: { Treeselect, IconSelect },
		data() {
			return {
				// 遮罩层
				loading: true,
				// 显示搜索条件
				showSearch: true,
				// 菜单表格树数据
				menuList: [],
				// 菜单树选项
				menuOptions: [],
				// 弹出层标题
				title: "",
				// 是否显示弹出层
				open: false,
				// 显示状态数据字典
				visibleOptions: [],
				// 菜单状态数据字典
				statusOptions: [],
				// 查询参数
				queryParams: {
					menuName: undefined,
					visible: undefined
				},
				// 表单参数
				form: {},
				// 表单校验
				rules: {
					menuName: [
						{ required: true, message: "菜单名称不能为空", trigger: "blur" }
					],
					orderNum: [
						{ required: true, message: "菜单顺序不能为空", trigger: "blur" }
					],
					path: [
						{ required: true, message: "路由地址不能为空", trigger: "blur" }
					]
				}
			};
		},
		created() {
			this.getList();
			this.getDicts("sys_show_hide").then(response => {
				this.visibleOptions = response.data;
			});
			this.getDicts("sys_normal_disable").then(response => {
				this.statusOptions = response.data;
			});
		},
		methods: {
			// 选择图标
			selected(name) {
				this.form.icon = name;
			},
			/** 查询菜单列表 */
			getList() {
				this.loading = true;
				listMenu(this.queryParams).then(response => {
					this.menuList = this.handleTree(response.data, "menuId");
					this.loading = false;
				});
			},
			/** 转换菜单数据结构 */
			normalizer(node) {
				if (node.children && !node.children.length) {
					delete node.children;
				}
				return {
					id: node.menuId,
					label: node.menuName,
					children: node.children
				};
			},
			/** 查询菜单下拉树结构 */
			getTreeselect() {
				listMenu().then(response => {
					this.menuOptions = [];
					const menu = { menuId: 0, menuName: '主类目', children: [] };
					menu.children = this.handleTree(response.data, "menuId");
					this.menuOptions.push(menu);
				});
			},
			// 显示状态字典翻译
			visibleFormat(row, column) {
				if (row.menuType == "F") {
					return "";
				}
				return this.selectDictLabel(this.visibleOptions, row.visible);
			},
			// 菜单状态字典翻译
			statusFormat(row, column) {
				if (row.menuType == "F") {
					return "";
				}
				return this.selectDictLabel(this.statusOptions, row.status);
			},
			// 取消按钮
			cancel() {
				this.open = false;
				this.reset();
			},
			// 表单重置
			reset() {
				this.form = {
					menuId: undefined,
					parentId: 0,
					menuName: undefined,
					icon: undefined,
					menuType: "M",
					orderNum: undefined,
					isFrame: "1",
					isCache: "0",
					visible: "0",
					status: "0"
				};
				this.resetForm("form");
			},
			/** 搜索按钮操作 */
			handleQuery() {
				this.getList();
			},
			/** 重置按钮操作 */
			resetQuery() {
				this.resetForm("queryForm");
				this.handleQuery();
			},
			/** 新增按钮操作 */
			handleAdd(row) {
				this.reset();
				this.getTreeselect();
				if (row != null && row.menuId) {
					this.form.parentId = row.menuId;
				} else {
					this.form.parentId = 0;
				}
				this.open = true;
				this.title = "添加菜单";
			},
			/** 修改按钮操作 */
			handleUpdate(row) {
				this.reset();
				this.getTreeselect();
				getMenu(row.menuId).then(response => {
					this.form = response.data;
					this.open = true;
					this.title = "修改菜单";
				});
			},
			/** 提交按钮 */
			submitForm: function () {
				this.$refs["form"].validate(valid => {
					if (valid) {
						if (this.form.menuId != undefined) {
							updateMenu(this.form).then(response => {
								console.log(this)
								this.msgSuccess("修改成功");
								this.open = false;
								this.getList();
							});
						} else {
							addMenu(this.form).then(response => {
								this.msgSuccess("新增成功");
								this.open = false;
								this.getList();
							});
						}
					}
				});
			},
			/** 删除按钮操作 */
			handleDelete(row) {
				this.$confirm('是否确认删除名称为"' + row.menuName + '"的数据项?', "警告", {
					confirmButtonText: "确定",
					cancelButtonText: "取消",
					type: "warning"
				}).then(function () {
					return delMenu(row.menuId);
				}).then(() => {
					this.getList();
					this.msgSuccess("删除成功");
				})
			}
		}
	};
</script>
<style lang="scss" scoped>
.menu{
	padding:20px;
}
</style>